The various spoken and written forms of words and characters covering digits, numbers, numerals, including derived forms such as ordinals.

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3
votes
4answers
307 views

以上 vs 以上 for numbers vs words: half full/half empty?

Well, 以上 is used after a speech to indicate that the speech has been concluded (i.e., 'Everything before this has been said.'). 以上 is used in numbers to mean 'or more', as in 八十%以上 (as in, ...
7
votes
1answer
515 views

How do you do a countdown?

For example, when JAXA launches a rocket, or people count the seconds to the New Year, do they use し or よん to count 4? do they use しち or なな to count 7?
2
votes
1answer
292 views

What does 週一 mean?

Trying to understand this tweet: 日曜日は掃除の日。新しく買った掃除機が良すぎる!忙しいと週一とかになりがちな掃除機がけも、これでマメにやれそう♪( ´▽`)ルンバと迷ったけどこっちにしてよかった!やっぱり掃除は自分でしたいしね。 I understood everything up to 週一. What does that sentence say?
7
votes
2answers
1k views

Is B2F, B1F, 1F, 2F, … wasei-eigo?

While visiting Tokyo, I noticed that most levels were indicated by B2F, B1F, 1F, 2F, ... . This doesn't look like the Romaji for -kai or -gai counter-words, which I assume would be chika ni-kai, ...
12
votes
1answer
342 views

What do the question marks on these gas station signs mean?

ハイオク: 148? レギュラ: 137? 軽油: 115? What meaning do the question marks have?
9
votes
1answer
810 views

Gregorian calendar year to Japanese era name, and vice versa [closed]

Just for fun, I'm curious about how native speakers do mental translation from Gregorian calendar year (e.g 2011) to Japanese era name 年号 (e.g. 平成23年), and vice versa. Do you have special and ...
18
votes
3answers
1k views

Rules for slang of Japanese numbers

I often hear Japanese using a different method for saying a number like "248" as によんぱ — especially for highways and license plates. While this one is easy to understand, there are others that I ...
29
votes
6answers
1k views

Arabic numbers: half-width or full-width?

Using my computer, I type a lot of numbers in Japanese text, and I am not sure when to use half-width or full-width. Are there rules? Right now I only use half-width, is it fine? Off-topic: Here is ...
11
votes
3answers
2k views

About writing numbers using Japanese numerals vs using Arabic numerals

I noticed that even though Japanese language has kanji characters for numbers (e.g. 十、百、千、万 etc), there are many places where Arabic numerals are used instead, for example, prices for shop items are ...
8
votes
1answer
401 views

Is there a general counter word for objects that you can fallback on if you're not sure which one to use?

I guess we could use the native Japanese numbers, 一つ, 二つ, 三つ...but we'd run into a problem at or after ten (not sure how とお works — same for はたち). Is there a general counter word that we can fallback ...
10
votes
2answers
304 views

Why are furigana for number kanji almost always omitted?

Here's an example sentence from 北斗の拳 which uses a fair amount of furigana throughout. xxxに残された命は三日... Which includes furigana for のこ, いのち, and, bafflingly, even the か of 日, but none for 三. While ...
23
votes
4answers
6k views

How to choose between “よん” (yon) vs “し” (shi) for “四” (4) and “しち” (shichi) vs “なな” (nana) for “七” (7)?

Two numbers in Japanese have two pronunciation alternatives. 四 / 4 can be pronounced either "よん" (yon) or "し" (shi) 七 / 7 can be pronounced either "しち" (shichi) or "なな" (nana) I know that "し" ...
20
votes
2answers
505 views

Why is 二十歳 pronounced はたち?

二十歳 is a (to me) bizarre exception to the usual number+さい rule for discussing age. Is this rooted in 20 being the Japanese age of majority? Added: To be more specific: why isn't it pronounced にじゅうさい ...
6
votes
2answers
1k views

List of Japanese counter words [closed]

What are the essential Japanese counter words? For example -dai for machines, -mai for papers and stuff like that. What else to expect/know? Thank you
13
votes
1answer
428 views

Japanese/Chinese numbers usage timeline

Japanese uses both native and Chinese numbering numbering systems, the Sino-Japanese pronunciations being いち, に, さん, etc. and the native being ひと, ふた, み, etc. For the most part they are used for ...